@inproceedings{DRR-2015-StalnakerZ,
	author        = "David Stalnaker and Richard Zanibbi",
	booktitle     = "{Proceedings of the 22nd Conference on Document Recognition and Retrieval}",
	doi           = "10.1117/12.2074084",
	pages         = "940207",
	publisher     = "{SPIE}",
	series        = "{SPIE Proceedings}",
	title         = "{Math expression retrieval using an inverted index over symbol pairs}",
	volume        = 9402,
	year          = 2015,
}